# pp waves and holography

@article{Leigh2002ppWA, title={pp waves and holography}, author={Robert G. Leigh and Kazumi Okuyama and Moshe Rozali}, journal={Physical Review D}, year={2002}, volume={66}, pages={046004} }

We consider aspects of holography in the $pp$-wave limit of $AdS_5\times S5$. This geometry contains two $\RR4$'s, one obtained from $AdS_5$ directions, and the other from the $S 5$. We argue that the holographic direction in the $pp$-wave background can be taken to be $r$, the radial direction in the first $\RR4 $. Normalizable modes correspond to states, and non-normalizable modes correspond to deformations of the boundary theory. In the strict $pp$-wave limit, there are additional non…

## 61 Citations

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We extend the pp-wave correspondence to a non supersymmetric example. The model is the type-0B string theory on the pp-wave R-R background. We explicitly solve the model and give the spectrum of…

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Homogeneous gravitational wave backgrounds arise as infinite momentum limits of many geometries with a well-understood holographic description. General global aspects of these geometries are…

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We argue that the gauge theory dual to the type IIB string theory in a ten-dimensional pp-wave background resides on a Euclidean subspace spanning four of the eight transverse coordinates. We then…

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Abstract. We extend the proposal of Berenstein, Maldacena and Nastase to the Type IIB superstring propagating on a pp-wave over the R4/Zk orbifold. We show that first-quantized free string theory is…

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Motivated by the recent discussions of the Penrose limit of AdS_5\times S^5, we examine a more general class of supersymmetric pp-wave solutions of the type IIB theory, with a larger number of…

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- 2002

We observe that the pp wave limit of AdS5£M 5 compactiflcations of type- IIB string theory is universal, and maximally supersymmetric, as long as M 5 is smooth and preserves some supersymmetry. We…

### Strings on Orbifolded PP-waves

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We show that the string spectrum in the pp-wave limit of AdS5 ? S5/ZM (orbifolded pp-wave) is reproduced from the = 2 quiver gauge theory by quantizing the Green-Schwarz string theory on the…

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